rv a randomly selected booked passenger b Can we say that the sampling distribution of is approximately normal Yos Because np M 191 52 which is 5 n 1 p 30 48 which is 25 c What is the probability that at least 90 of the randomly selected booked passengers showed up on time Round final answer to 4 decimal places P 0 9 d What is the probability that at most 83 of the randomly selected booked passengers showed up on time Round final answer to 4 decimal places PP 0 83